Home / 896,279.34-1,236,849.47-488,384.70

Finding the Fourth Proportional to 896,279.34, 1,236,849.47 and 488,384.70

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Solution

The fourth proportional to 896,279.34, 1,236,849.47 and 488,384.70 is: 673,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,279.34 : 1,236,849.47 = 488,384.70 : x
  2. Step 2: Convert to fraction form
    896,279.34/1,236,849.47 = 488,384.70/x
  3. Step 3: Cross multiply
    896,279.34x = 1,236,849.47 × 488,384.70
  4. Step 4: Simplify right side
    896,279.34x = 604,058,357,351.11
  5. Step 5: Solve for x
    x = 604,058,357,351.11/896,279.34
  6. Step 6: Final answer
    x = 673,962.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.